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Finding the Fourth Proportional to 7,147.04, 10,720.80 and 1,952.96

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Solution

The fourth proportional to 7,147.04, 10,720.80 and 1,952.96 is: 2,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.04 : 10,720.80 = 1,952.96 : x
  2. Step 2: Convert to fraction form
    7,147.04/10,720.80 = 1,952.96/x
  3. Step 3: Cross multiply
    7,147.04x = 10,720.80 × 1,952.96
  4. Step 4: Simplify right side
    7,147.04x = 20,937,293.57
  5. Step 5: Solve for x
    x = 20,937,293.57/7,147.04
  6. Step 6: Final answer
    x = 2,929.51

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